* New pod stx-docker running "docker-in-docker" image
* New optional env var STX_INSECURE_DOCKER_REGISTRIES to disable SSL
validation for select registries in stx-docker
* stx-builder: install docker client in POD image
* stx-builder: add env vars that point docker client to the new docker
service POD
TESTS
=====
* Rebuild all build images
* Make sure docker works within "builder" pod:
- docker pull
- docker build
- docker login
- docker push
- docker run with volume mounts under /localdisk/{loadbuild,designer},
make sure these location are visible and can be mounted by the
docker service
Story: 2009897
Task: 44691
Change-Id: I2b51c5f90bf2dee1ed6a159c60d76fc05e1f325a
Signed-off-by: Davlet Panech <davlet.panech@windriver.com>